A Friday SEC filing saw the resignation of two more Duke Energy Corp. (DUK) directors, the latest development since a surprising board coup led to the July 2nd removal of CEO Bill Johnson. The retirees, John D. Baker II and Theresa M. Stone, were legacy Progress Energy directors, and each was candid about recent developments as they left. In addition to suggesting a change a leadership, Mr. Baker added that actions by Duke’s board members “have revealed serious issues in Duke’s corporate governa